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However to do this the operator must have extremely good eye sight to accomplish this accurately so candidates must be evaluated for suitability first. In the R36 this calculation is worked out with a very complicated internal mechanical computer which reads out the data using dials and a split overlaid image reticule seen through the view finder which the viewer matches up and reads off the scale the distance to target. The two objective lens being 1000mm apart in the device) and the angle of these two points relative to the target, one can work out the distance by using trigonometry. Before the switch to the dunkelgelb ordinance tan finished binos for ddx. It is a pretty normal set of Zeiss 6x30 Dienstglas. #Dienstglas serial numbers serial numberMkd also 'Pol dienstglas' under serial number on hinge button (not on barrel. Please send me by Private mail all data on your Dienstglas 6x30. These Rangefinders using this coincidence theory work on the known principal of triangulation were by knowing the distance between two points which we call the base line (i.e.Īxis History Forum. The German’s like most other armies favoured the coincidence of images principal. ![]() Many armies around the world employed optical equipment specially designed for range finding and although most looked very similar in design, two schools of thought existed with one type working on the theory of coincidence and the other being a stereoscopic based vision system. EM34 & EM36 Entfernungsmesser 1m - Range Finder When using any artillery or anti-aircraft guns effectively, accurately estimating range to the target is critical to the success of a direct hit on the target. This set is stamped 'blc', indicating that they were manufactured by Carl Zeiss. The 10 x 50 power binoculars were produced by assorted optical firms in three minor variants with the main difference being in the angle alignment of the prism and ocular lenses with a twenty degree angle pattern, a forty-five degree angle pattern and eighty degree angle pattern. The Emil Busch optical firm of Rathenow submitted a 10 x 50 power binocular which was found suitable and accepted for production. I have just bought a 7x50 beh Serial number 342166(T). Dienstglas 6x30 - 'Service Glass' 101857 - serial number. Doppelfernrohr - Dienstglas 10 x 50 Service Glasses In 1934 the German OKW, Oberkommando der Wehrmacht, (High Command of the Armed Forces), requested a mobile, multi-purpose, high power binocular with a wide field of vision.Ĭan anyone help me identify these binoculars. #Dienstglas serial numbers rarLady Gaga The Fame Monster Zip Rar Download more. Since the 6 x 30 power binoculars were of a relatively low magnification being well-intentioned for just general field observations, specialized troops such as Kriegsmarine, Artillery observers, Reconnaissance personnel, Flak & Searchlight personnel etc required far stronger optics and assorted larger more powerful binoculars were issued to these specialized personnel on a limited basis. Most service glasses came in either a leather or moulded Bakelite case to afford maximum protection during service life. #Dienstglas serial numbers codeThe right hand ocular body panel is also often marked with the impressed manufacturer’s three letter code in this case being 'cxn' - the code for Emil Busch A-G, Optische Industrie, Rathenow. Standard markings on the body can normally be found on the left hand side, ocular body panel with the impressed designation, 'Dienstglas 6 x 30', (Service Glasses) along with a production serial number. The right lens usually has a horizontal reticle pattern with vertical bars originating from the centre, in increments of 10 degrees up to 40 degrees to each side. Late war (post 1943) manufactured glasses came in an ordnance tan paint finish often fitted with moulded brown Bakelite fittings and some encountered were manufactured entirely from Bakelite. ![]() These are generally encountered in a black painted finish and were typically constructed from zinc and aluminium alloy metal. Post-war Carl Zeiss Oberkochen (W.Doppelfernrohr - (Dienstglas 6 x 30 Service Glasses) The German army used an extensive variety of optical equipment during the war, items such as the 6 x 30 power binoculars (6 power magnification with a 30mm diameter objective lens) were one of the most common types seen since they were the standard issue field optics utilized by all branches of service. After the war Carl Zeiss separated into two branches and lens production resumed both in Jena (East Germany) as well as in Oberkochen (West Germany). Part of the serial number sequence of lenses made by Carl Zeiss Jena. Image by Dirk HR Spennemann ( Image rights) ![]()
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